C02 - The Human Body Flashcards

1
Q

Define Homeostasis?

A

When the body uses feedback and control mechanisms to maintain a stable environment.

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2
Q

The Body Temperature is regulated to?

A

37°C.

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3
Q

Define Cardiovascular System?

A

Uses the blood to transport oxygen and nutrients around the body and back to the heart.

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4
Q

Define Respiratory System?

A

Draws air to the lung from where oxygen is absorbed into the blood stream.

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5
Q

Define Digestive System?

A

Uses enzymes to break down food into its component parts.

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6
Q

Define Renal System?

A

Comprises of the kidneys and the urinary tract.

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7
Q

Define Musculoskeletal System?

A

Comprises the bones, muscles, joints and their tissues.

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8
Q

Define Sensory System?

A

Comprises of the eyes and ears.

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9
Q

Define Nervous System?

A

All body systems which need to be controlled and regulated.

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10
Q

Define Endocrine System?

A

Uses chemical messengers that travel to the cells via the blood stream.

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11
Q

Define Immune System?

A

Provides defensive systems to protect the body.

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12
Q

Define Integumentary System?

A

Comprises of the skin, hair and nails.

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13
Q

What are the four elements which make up the human body?

A
  • Carbon.
  • Oxygen.
  • Hydrogen.
  • Nitrogen.
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14
Q

The average composition of lean human tissues is (4)?

A
  • 65% Water.
  • 17% Fats.
  • 14% Proteins.
  • 4% Acid, Sugars and Minerals.
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